人的生命是有限的，但为人民服务是无限的。
进步主要取决于人类本性中最强大而不仅仅是最高尚的力量能否被用于增加善。
Waste is just raw material in the wrong place.
Technology has no boundaries, but business needs focus.
The only way to be successful is to work hard and never give up.
If you want to see what this nation is all about, you have to ride the rails. Look outside as you speed through, and you’ll find the true face of America.
The richness I achieve comes from Nature, the source of my inspiration.
The test of our progress is not whether we add more to the abundance of those who have much; it is whether we provide enough for those who have too little.